1000RPM until AC on.
07-30-2012, 05:59 PM
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1000RPM until AC on. I have a 99 Mustang Coupe with 230k miles on it. Once the car gets warmed up and I turn the AC on the RPM goes from 1k to 500. I never use the AC because I don't want the car to stop on me from a low RPM. what can I do to fix this problem? Also my car's RPM will usually fluctuate from 1000 to 750 for no reason.
